[INFO] cloning repository https://github.com/ckampfe/stanley-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ckampfe/stanley-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Fstanley-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Fstanley-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 628cfc1da905f3f6613b82d6e888d18b093006e7
[INFO] checking ckampfe/stanley-rs against try#40b20bc1bf55bfe3b99c09c905e596d3e650663c for pr-73084-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckampfe%2Fstanley-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ckampfe/stanley-rs on toolchain 40b20bc1bf55bfe3b99c09c905e596d3e650663c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ckampfe/stanley-rs
[INFO] finished tweaking git repo https://github.com/ckampfe/stanley-rs
[INFO] tweaked toml for git repo https://github.com/ckampfe/stanley-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ckampfe/stanley-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ac2dd67bf87fedf1520e1eec3501272a52e4b875e19138fed4e8954b458cceb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3ac2dd67bf87fedf1520e1eec3501272a52e4b875e19138fed4e8954b458cceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ac2dd67bf87fedf1520e1eec3501272a52e4b875e19138fed4e8954b458cceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac2dd67bf87fedf1520e1eec3501272a52e4b875e19138fed4e8954b458cceb", kill_on_drop: false }`
[INFO] [stdout] 3ac2dd67bf87fedf1520e1eec3501272a52e4b875e19138fed4e8954b458cceb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81f597f087553ecd9ac1a8a93bea478d34b548021fdab6cec78269565ec7ab3f
[INFO] running `Command { std: "docker" "start" "-a" "81f597f087553ecd9ac1a8a93bea478d34b548021fdab6cec78269565ec7ab3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking macro-utils v0.1.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking minifier v0.0.36
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking globwalk v0.8.0
[INFO] [stderr]    Compiling chrono-tz v0.5.2
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking tera v1.3.1
[INFO] [stderr]     Checking rss v1.9.0
[INFO] [stderr]     Checking stanley-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `Command { std: "docker" "inspect" "81f597f087553ecd9ac1a8a93bea478d34b548021fdab6cec78269565ec7ab3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f597f087553ecd9ac1a8a93bea478d34b548021fdab6cec78269565ec7ab3f", kill_on_drop: false }`
[INFO] [stdout] 81f597f087553ecd9ac1a8a93bea478d34b548021fdab6cec78269565ec7ab3f